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shop got my gs1150 running, get it home and then no spark

  • Thread starter Thread starter asbjones
  • Start date Start date
Just do the coil relay mod first, electronic ignitions will not work below a certain voltage threshold. That is true of the type you have and also the Dyna-S. I have had a Dyna-S module fail, but it was on the bike when I had a high voltage charging problem that also toasted the stator. It still lasted many years before it failed and Dyna offered to replace it at cost. Dyna is a model business as far as I am concerned, and will always get my business in the future. Having said that, I doubt the shop checked your charging system out properly and that would be a priority concern right now. If you get 12v to the coils it will probably start. Do the mod and then sort out your high contact resistances in the harness, plugs, connectors, switches, etc. so you don't keep a problem that will continually cause your charging system to go south. Series R/R's are also at the top of the list to keep your charging system healthy.
 
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While you're fildding around with all those wires, remove/clean/inspect the ground wire on that bike.
My 83 Magna went through 3 pair of ( $150/ pair used ) CDI boxes before we found the smoking gun... intermittent ground. The ground bolt looked like a long white fuzzy cigarette.
The boxes would short out/blow up 3 miles into a ride.
A very expensive lesson....
 
I'll almost bet that when they started your bike with their "BIG MONSTER CAR BATTERY CHARGER IN START MODE" that is generally 200 amps on a 15 or there abouts, amp system, that they fried your igniter, also probably fried your regulator in the process. You will figure that one out when you do get it running .
 
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ok I just looked it up, I need to use a 4 pin and split it to each coil or just the single 87 post on the 5 pin...
 
You can use either a 4 terminal or a 5 terminal relay. 87 has power when the relay is ON, 87a has power when the relay is OFF.
Either way, terminal 87 goes to both coils.
 
koolaid_kid said:
You can use either a 4 terminal or a 5 terminal relay. 87 has power when the relay is ON, 87a has power when the relay is OFF.
Either way, terminal 87 goes to both coils.
Click to expand...

just put in a 4 pin and have the power going to both coils, just no spark yet

047_zps0a5765df.jpg
 
If you are getting a pulsing 0.5-12.0 volts on the coil terminal that connects to the igniter, it is not fried. The regulator has no effect on starting, just charging, which is an entirely different area to explore.
Are the Taylor wires you purchased the copper or suppression type? I ask because you cannot use suppression wires with the NGK caps. It is an either/or thing.
 
ok,

got back on the 1150 to test the igniter/cdi box and pickup

pickup looks good, I have a ohms reading within spec between each set of wires coming out

the ignitor test is funny, but I tried it and got no spark at the plug

does this mean my igniter/cdi box is bad? I think so...
 
all the fuse box terminals nice and shiney?? getting solid voltages thru the starter button and kill switch? Just went thru similar on a Cooley and the fuse box was the problem.
 
never seen a bad pick up unless it had been crashed.
i have seen MANY bad ignitors on the electronic advance models.
it's a shame you don't have someone local to let you plug there box in and see if that fixes it....
i have a couple boxes but i doubt that your close to me.
 
chuck hahn said:
all the fuse box terminals nice and shiney?? getting solid voltages thru the starter button and kill switch? Just went thru similar on a Cooley and the fuse box was the problem.
Click to expand...

fuse box looks normal, I relayed my coils so if the relay turns on then my kill/starter switch should be fine as they are bypassed with the relay mod...
 
blowerbike said:
never seen a bad pick up unless it had been crashed.
i have seen MANY bad ignitors on the electronic advance models.
it's a shame you don't have someone local to let you plug there box in and see if that fixes it....
i have a couple boxes but i doubt that your close to me.
Click to expand...

Always better to send the suspect box to someone that has a known good bike... That way a good ignitor isn't plugged into a bike that -may- have a wiring issue.

Send your ignitor to a member on here and see if they'll plug it into a known good bike to test it....
 
I had a brand new Dyna-S go bad. 1-4 trigger was faulty. Sent it back and they replaced it. The whole point was to improve the ignition, so it was rather frustrating to take it for a test spin and find it cutting out on two cylinders. After that I plugged the stock ignitor back in and used it while the Dyna-S sat in the tool box till last summer, when I found out on my first ever dyno run my stock ignitor was breaking up at 7000rpms. I've had a Dyna-S since last summer and used green 3.0 ohm coils for years. Dyna makes a good product and the staff a very helpful, I just happened to get a bad one that slipped through.
 
sparki said:
Always better to send the suspect box to someone that has a known good bike... That way a good ignitor isn't plugged into a bike that -may- have a wiring issue.

Send your ignitor to a member on here and see if they'll plug it into a known good bike to test it....
Click to expand...

good point for a normal person but...
i had a box full of these at one time.
if an 1150 came in with no spark i would plug one of mine in...always took care of the problem.
luckily none was over charging drastically or i believe that would have smoked my ignitor.
 
rode the bike today! a few times!

but starter keeps locking up and makes some bad popping sounds, anyone have a good used starter for sale?
 
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